Patents by Inventor Rosaria Luisa Mainieri

Rosaria Luisa Mainieri has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PROCESS FOR TREATING CELLULOSE PULP USING CARBOXYMETHYCELULOSE AND PULP THUS OBTAINED
    Publication number: 20100036113
    Abstract: The present invention relates to an improved process for processing chemical cellulose pulp wherein carboxymethylcellulose (CMC) is added during the bleaching step of said pulp. The addition of CMC in this step of the bleaching process provides a pulp with improved physical, chemical and mechanical properties.
    Type: Application
    Filed: March 26, 2007
    Publication date: February 11, 2010
    Inventors: Otavio Mambrim Filho, Rosaria Luisa Mainieri